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. 2022 Oct 26;14:3095–3103. doi: 10.2147/CMAR.S383787

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© 2022 Kuroda et al.

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Kaplan-Meier survival curve with 95% confidence interval. (A) Overall survival of patients with head and neck squamous cell carcinomas patients after pulmonary metastasectomy. Red line: nasopharynx, oropharynx, and salivary gland (G1, n = 40); green line: Oral cavity, tongue, and paranasal sinus (G2, n = 69); and blue line: hypopharynx and larynx (G3, n =122). (B) Overall survival of patients with head and neck squamous cell carcinomas patients after the date of treatment of primary cancers. Red line: nasopharynx, oropharynx, and salivary gland (G1, n = 40); green line: Oral cavity, tongue, and paranasal sinus (G2, n = 69); and blue line: hypopharynx and larynx (G3, n =122).